165152525377 has 4 divisors (see below), whose sum is σ = 188745743296. Its totient is φ = 141559307460.

The previous prime is 165152525371. The next prime is 165152525383. The reversal of 165152525377 is 773525251561.

165152525377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 773525251561 = 631 ⋅1225872031.

It is an interprime number because it is at equal distance from previous prime (165152525371) and next prime (165152525383).

It is a cyclic number.

It is not a de Polignac number, because 165152525377 - 2³¹ = 163005041729 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 165152525377.

It is not an unprimeable number, because it can be changed into a prime (165152525371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11796608949 + ... + 11796608962.

It is an arithmetic number, because the mean of its divisors is an integer number (47186435824).

Almost surely, 2^165152525377 is an apocalyptic number.

It is an amenable number.

165152525377 is a deficient number, since it is larger than the sum of its proper divisors (23593217919).

165152525377 is an equidigital number, since it uses as much as digits as its factorization.

165152525377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23593217918.

The product of its digits is 2205000, while the sum is 49.

The spelling of 165152525377 in words is "one hundred sixty-five billion, one hundred fifty-two million, five hundred twenty-five thousand, three hundred seventy-seven".